Click on Reports tab and it will show no report found.
Goto mobile manger reports 
then click on the setting cog on the top right.
Then select Configure Subscriptions
Then select the reports you want to be shown
Note the reports shown here are the reports created in the front end Ingenuity Create a Daily Report with Internal and External reports.
You also can tick Notify if you want to be notified of a new version of this report.
Once you are subscribed to a report you will see then in the reports tab.
In Setting on the mobile app under Reports you can define how many reports are shown and download options
Currently you can set up the following options:
- Automatically download files: when a new report becomes available, it is automatically downloaded to your phone. Note that it may have an impact on mobile data consumption and your battery lifetime.
- Stored files: by clicking the "Clear all" button, you can clean up space on your device that is taken by the downloaded report files.
- Limit shown reports: by setting the number below, you can control how many recent reports will be displayed on your screen.